LINK FAULT LOCATION METHOD, APPARATUS AND SYSTEM

摘要

Embodiments of the present invention provide a link fault location method, apparatus and system. The link fault location method of the present invention comprises: a controller determines, according to the state of a working service path, a link to be detected; determine a detection service path according to the link to be detected, at least one detection service path existing on the link to be detected; and determine the state of the detection service path according to the state of a detection service, and determine a faulty link from the link to be detected. The embodiments of the present invention can accurately locate a faulty link.